JPS5841387A - Device for feeding control rod driving water - Google Patents
Device for feeding control rod driving waterInfo
- Publication number
- JPS5841387A JPS5841387A JP56139346A JP13934681A JPS5841387A JP S5841387 A JPS5841387 A JP S5841387A JP 56139346 A JP56139346 A JP 56139346A JP 13934681 A JP13934681 A JP 13934681A JP S5841387 A JPS5841387 A JP S5841387A
- Authority
- JP
- Japan
- Prior art keywords
- control rod
- piping system
- water supply
- rod drive
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Earth Drilling (AREA)
- Centrifugal Separators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明祉、原子炉の制御棒駆動機構に駆動用、スフ2ム
用および冷却用としての水を供給する制御棒駆動水供給
装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a control rod drive water supply device that supplies water for driving, swelling, and cooling to a control rod drive mechanism of a nuclear reactor.
原子炉圧力容器内の炉心部には中性子吸収機能を有する
複数の制御棒が配置され、それぞれの制御棒駆動機構に
駆動され炉心部に対する挿入または引抜動作を行ない原
子炉出力の制御を行なうように構成されている。また非
常時にはすべてO制御棒が緊急挿入動作して原子炉を停
止に至らしめるように構成されている。A plurality of control rods with a neutron absorption function are arranged in the core of the reactor pressure vessel, and each control rod is driven by a control rod drive mechanism to insert or withdraw from the reactor core to control the reactor output. It is configured. Furthermore, in the event of an emergency, all O control rods are configured to be inserted in an emergency manner to bring the reactor to a halt.
前記制御棒駆動機構は、シリンダ内に、前記制御棒に連
結するドライブピストンを有し、このピストンを水圧に
よシ駆動して制御棒を挿入または引抜動作させるように
構成されている。The control rod drive mechanism has a drive piston connected to the control rod in a cylinder, and is configured to drive the piston by hydraulic pressure to insert or withdraw the control rod.
制御棒駆動機構への圧力水の供給は、制御棒駆動水供給
装置によりて行なわれる。tた、この制御棒駆動機構の
過熱防止のため、制御棒駆動水供給装置よυ常時冷却用
水を供給するようにしている。Pressure water is supplied to the control rod drive mechanism by a control rod drive water supply device. In addition, in order to prevent the control rod drive mechanism from overheating, the control rod drive water supply device constantly supplies cooling water.
ところで、前記制御棒駆動水供給装置の配管系の流路中
に異物が混入することがある。このような異物が冷却用
水中に混入すると、冷却用水は常に制御棒駆動機構内へ
流入しているものだけに、その影響も大きく、たとえば
駆動機構内のオリフィス内に詰って駆動機構を誤動作さ
せたシ、駆動機構内のシール部品を損傷して原子炉を停
止に至らしめ、稼動率を低下させてしまうおそれがある
。By the way, foreign matter may get mixed into the flow path of the piping system of the control rod drive water supply device. If such foreign matter gets mixed into the cooling water, it will have a big effect because the cooling water always flows into the control rod drive mechanism, for example, it could clog the orifice in the drive mechanism and cause the drive mechanism to malfunction. In addition, there is a risk that the sealing parts within the drive mechanism may be damaged, leading to the shutdown of the nuclear reactor and reducing the operating rate.
本発明はこのような事情にもとづいてなされたもので、
その目的は、原子炉の制御棒駆動機構へ駆動用、スクラ
ム用および冷却用としての水を供給する制御棒駆動水供
給装置において、制御棒駆動機構内へ常時冷却水を供給
している冷却用配管系にフィルタを介挿界し、これによ
って駆動機構内のオリフィスの目詰9、シール部no損
傷等を防止し、原子炉の健全性を維持して原子炉の稼動
率向上を図るととKある。The present invention was made based on these circumstances, and
Its purpose is to provide cooling water that constantly supplies cooling water to the control rod drive mechanism in the control rod drive water supply system that supplies water for driving, scram, and cooling to the control rod drive mechanism of the reactor. A filter is inserted in the piping system to prevent clogging of the orifice in the drive mechanism and damage to the seal part, thereby maintaining the integrity of the reactor and improving the operating rate of the reactor. There is K.
以下、本発明の一実施例を図面を参照して説明する。Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
図中1は給水源で、この給水源1にはポンプJを介して
マスターコントロールユニット5−1)x接続されてい
る。仁のマスターコントロールユニット3は給水源1よ
り送出された水の圧力を4通シに調整するもので、同ユ
ニ、) JKは複数の制御棒駆動機構(1個のみ図示す
る)4に共用する4本のへ、グー5.6.’1.8が接
続され各ヘッダーごとに異なる圧力の水を送出するよう
にしている。そして各へ、グー6.6゜7.8には、そ
れぞれ各制御棒駆動機構4ごとに対応して、スクラム配
管系9、駆動配管系10、冷却用配管系11および戻し
配管系12が接続されている。In the figure, 1 is a water supply source, and this water supply source 1 is connected to a master control unit 5-1)x via a pump J. The master control unit 3 of Jin is used to adjust the pressure of water sent out from the water supply source 1 in four ways. To the 4 books, goo 5.6. '1.8 is connected so that each header sends out water at a different pressure. A scram piping system 9, a drive piping system 10, a cooling piping system 11, and a return piping system 12 are connected to each goo 6.6° 7.8, corresponding to each control rod drive mechanism 4. has been done.
まず前記スクラム配管系tは、第1のへ、グー5に逆止
弁11を介して、高圧水を貯えるアキ、ムレータ14を
接続して構成されている。First, the scram piping system t is constructed by connecting a mullet 14 for storing high-pressure water to the first pipe 5 via a check valve 11.
また前記駆動配管系10は、第2のへ、グーCにフィル
タ15を介して逆止弁16を接続し、その逆止弁16の
出口側に、電磁切換弁11を介して制御棒駆動機構4の
挿入側給水ノズル11に接続する挿入配管1#と、電磁
弁20を介して制御棒駆動機構4の引抜側給水ノズル2
1に接続する引抜配管22とを接続して構成されている
。The drive piping system 10 also connects a check valve 16 to the second goo C through a filter 15, and connects a control rod drive mechanism to the outlet side of the check valve 16 through an electromagnetic switching valve 11. The insertion pipe 1# connects to the insertion side water supply nozzle 11 of No. 4, and the extraction side water supply nozzle 2 of the control rod drive mechanism 4 via the solenoid valve 20.
1 is connected to the drawn piping 22 connected to 1.
また前記冷却用配管系11は、第3のへ、〆−7にフィ
ルタ23を介して逆止弁24を接続し、その逆止弁24
の出口側を前記挿入配管19の途中に接続して構成され
ている。Further, the cooling piping system 11 connects a check valve 24 to the third end 7 via a filter 23.
The outlet side of the insertion pipe 19 is connected to the middle of the insertion pipe 19.
なお、前記逆止弁18.24の各出口側間にはスクラム
入口弁2jが接続されている。Note that a scram inlet valve 2j is connected between each outlet side of the check valve 18.24.
前記戻し配管系12は、第4のへ、グー8にフィルタ2
#を介して前記挿入配管1−の途中に接続する分岐管2
rと、前記引抜配管22の途中に接続する分岐管2aと
を接続し、その一方の分岐管21には電磁切換弁29と
フィルタ3#を、ま九他方の分岐管28には電磁切換弁
31とフィルタ32を、それぞれ介挿して構成されてい
る。The return piping system 12 connects the filter 2 to the fourth goo 8.
A branch pipe 2 connected to the middle of the insertion pipe 1- via #
r and a branch pipe 2a that is connected in the middle of the drawn pipe 22, one of the branch pipes 21 is equipped with an electromagnetic switching valve 29 and a filter 3#, and the other branch pipe 28 is equipped with an electromagnetic switching valve. 31 and a filter 32 are inserted therein.
なお、前記引抜配管22の途中には、スクラム出口弁J
Jおよび逆止弁J4を介してスフ2AN出ヘッ〆−xi
を接続するスタラム排出管3Cが接続されている。Note that there is a scram outlet valve J in the middle of the drawn pipe 22.
2AN output head via J and check valve J4
A stalum discharge pipe 3C is connected.
次に、この実施例の作用を説明する。Next, the operation of this embodiment will be explained.
給水源lよシIング2によって送出された水ハマスター
コントロールユニットJf4通!りO正圧力調整されて
、へ、グー5.6.fl、lへ送出される。The water sent out by the water supply source l and the pump 2 is the master control unit Jf4! 5.6. sent to fl, l.
まず第1のヘッダー5内の水は、スクラム配管系9の逆
止弁IJを通してアキュムレータ14へ高圧水として貯
えられる。First, water in the first header 5 is stored as high-pressure water in the accumulator 14 through the check valve IJ of the scram piping system 9.
ま九第3のへ、グー1内の水は冷却用配管系11のフィ
ルタ2Jおよび逆止弁24を通り、さらに駆動配管系1
0の一部を通って制御棒駆動機構4の挿入側給水ノズル
IIよシその内部へ導かれ、オリフィス31を通してシ
リンダj#の外周面を冷却し、原子炉圧力容器39内へ
流入する。To the third stage, the water in the goo 1 passes through the filter 2J and check valve 24 of the cooling piping system 11, and then passes through the drive piping system 1.
The water is introduced into the insertion side water supply nozzle II of the control rod drive mechanism 4 through a part of the water supply nozzle II, cools the outer circumferential surface of the cylinder j# through the orifice 31, and flows into the reactor pressure vessel 39.
また通常運転時において制御棒40を挿入動作させるに
は、電磁切換弁17.11をそれぞれ開弁する。そこで
182のヘッダー6内の圧力水は駆動配管系10のフィ
ルタ15、逆止弁16および切換弁11を通りて挿入配
管1#よシ制御棒駆動機構4の挿入側給水ノズル1gよ
りその内部へ導かれ、シリンダ38内のドライブピスト
ン41下面側空間へ流入し、ドライブピストン41を上
方向へ押上げてこれに連結された制御棒40を挿入動作
させる。また、シリンダ38内のドライブピストン41
上面@O水は引抜側給水ノズル21よシ流出し、引抜配
管22、戻し配管系12のフィルタ32、電磁切換弁1
1シよびフィルタ26を通して第4のへツメ−1へ戻?
、マスターコントロールユニットJを介して第3のヘッ
ダー1へ流入する。Further, in order to insert the control rod 40 during normal operation, the electromagnetic switching valves 17 and 11 are respectively opened. Therefore, the pressure water in the header 6 of 182 passes through the filter 15, check valve 16, and switching valve 11 of the drive piping system 10, and enters the insertion piping 1# through the insertion side water supply nozzle 1g of the control rod drive mechanism 4. It flows into the space below the drive piston 41 in the cylinder 38, pushes the drive piston 41 upward, and inserts the control rod 40 connected thereto. Also, the drive piston 41 inside the cylinder 38
Upper surface @O water flows out from the water supply nozzle 21 on the extraction side, the extraction piping 22, the filter 32 of the return piping system 12, and the electromagnetic switching valve 1.
1 and filter 26 and return to the fourth hemlock 1?
, flows into the third header 1 via the master control unit J.
を九通常運転時において制御棒40を引抜動作させるに
は、電磁切換弁20.29をそれぞれ開弁する。そこで
第2のへ、グー6内の圧力水は駆動配管系10のフィル
タ15、逆止弁ICおよび切換弁20を通して引抜配管
22よシ制御棒駆動機構4の引抜側給水ノズル21よシ
その内部へ導かれ、シリンダ38内のドライブピストン
41上
ピストン41を下方向へ押下げてこれに連結さ 、
゛)
れた制御棒40を引抜動作させる。また、シリンダ5s
P3oドライ!ピストン4ノ下面側の水は挿入側給水ノ
ズル1#よシ流出し、挿入配管19、戻し配管系I2の
フィルタ3σ、電磁切換弁2Iおよびフィルタ26を通
って第4のへ、グー1へ戻シ、マスターコントロールユ
ニット1を介して第3のへ,グーrへ流入する。In order to withdraw the control rod 40 during normal operation, the electromagnetic switching valves 20 and 29 are opened. Therefore, the pressurized water in the goo 6 is transferred to the second pipe through the filter 15, check valve IC, and switching valve 20 of the drive piping system 10, the withdrawal pipe 22, the withdrawal side water supply nozzle 21 of the control rod drive mechanism 4, and the inside thereof. The upper piston 41 of the drive piston 41 in the cylinder 38 is pushed down and connected to the upper piston 41,
゛) Pull out the control rod 40 that has been removed. Also, cylinder 5s
P3o dry! The water on the lower surface of the piston 4 flows out through the insertion side water supply nozzle 1#, passes through the insertion pipe 19, the filter 3σ of the return piping system I2, the electromagnetic switching valve 2I and the filter 26, and returns to the fourth pipe and the goo 1. It flows through the master control unit 1 into the third and third channels.
次に非常時において制御棒40を緊急挿入動作させるK
は、スクラム人口弁J5およびスクラム出口弁33を開
弁する.そこでアキ、ムレータ14に貯えられた高圧水
はスクラム人口弁26および挿入配管19を通って制御
棒駆動機構4の挿入側給水ノズル18よりその内部へ流
入し、シリンダ38内のド2イグピストン41下面側空
間へ流入し、ドライブピストン41を上方向へ押上げ、
制御棒40を緊急挿入動作させる。また、シリ/メJ8
内Oド2イグピストン41上面側の水は引抜側給水ノズ
ル21よシ流出し、引抜配管21を通)、さらにスクラ
ム排出管35中のスクラム出口弁3Sおよび逆止弁34
を通って排出へ,グーJ5よシ排出される。Next, K performs an emergency insertion operation of the control rod 40 in an emergency.
opens the scram population valve J5 and the scram outlet valve 33. Therefore, the high-pressure water stored in the mullet 14 flows into the interior from the insertion side water supply nozzle 18 of the control rod drive mechanism 4 through the scram population valve 26 and the insertion pipe 19, and flows into the inside of the control rod drive mechanism 4 from the insertion side water supply nozzle 18, flows into the side space and pushes the drive piston 41 upward,
The control rod 40 is operated for emergency insertion. Also, Siri/Me J8
The water on the upper surface side of the inner O2 igu piston 41 flows out through the withdrawal side water supply nozzle 21 and passes through the withdrawal pipe 21), and further through the scram outlet valve 3S and check valve 34 in the scram discharge pipe 35.
Goo J5 is then discharged.
以上の如く構成された制御棒駆動水供給装置によると、
駆動配管系10および戻し配管系12には電磁切換弁I
T,20.29.21を保護するためのフィルタ15.
2g,30。According to the control rod-driven water supply device configured as described above,
A solenoid switching valve I is provided in the drive piping system 10 and the return piping system 12.
Filter 15. to protect T, 20.29.21.
2g, 30.
32が設けられているために、これらの配管系10、1
jl内の水中に異物が混入した場合で屯その異物は上記
74ルメのいずれかによって捕捉され、制御棒駆動機構
4の内部へ侵入することはない.ま九、冷却用配管系1
1にはフィルタjJが設けられているので、この配管系
11内の水中に異物が混入した場合、その異物は上記フ
ィルタ23によりて捕捉され、やはシ制御棒駆動横構4
内への異物の侵入は防止される。32, these piping systems 10, 1
If a foreign object gets mixed into the water inside the control rod drive mechanism 4, the foreign object will be captured by one of the 74 lumens and will not enter the control rod drive mechanism 4. 9. Cooling piping system 1
1 is provided with a filter jJ, so if foreign matter gets into the water in this piping system 11, the foreign matter will be captured by the filter 23, and the control rod drive horizontal structure 4
Intrusion of foreign matter into the interior is prevented.
したがって制御棒駆動機構4内のオリフィス310目詰
シを生じたシ、シール部品を損傷する等Oおそれはなく
、原子炉の健全性を維持して稼動率を向上することがで
きる。Therefore, there is no risk of clogging of the orifice 310 in the control rod drive mechanism 4, damage to seal parts, etc., and it is possible to maintain the integrity of the reactor and improve the operating rate.
なお、上記実施例では冷却用配管系11のフィルタ21
を逆止弁24の上流側に介挿するものとしたが、図中仮
想線でj J’として示す如く逆止弁24の下流側に介
挿してもよく、また2J“とじて示す如く冷却用配管系
11が接続する第30ヘツダーr中に介挿してもよい.
なお、ヘッダー1中に介挿すると、複数の制御棒駆動機
構ごとに別々に設ける面倒をなくすことができる、さら
に、これらのフィルタxs、is’。In addition, in the above embodiment, the filter 21 of the cooling piping system 11
is inserted on the upstream side of the check valve 24, but it may be inserted on the downstream side of the check valve 24 as shown by the imaginary line jJ' in the figure, or the cooling It may be inserted into the 30th header r to which the piping system 11 is connected.
Furthermore, when these filters xs, is' are inserted into the header 1, it is possible to eliminate the trouble of separately providing each of the plurality of control rod drive mechanisms.
23#を併用してもよい。23# may be used in combination.
以上詳述したように、本発明の制御棒駆動水供給装置に
よれば、制御棒駆動機構内へ常時冷却水を供給している
冷却用配管系にフィルタを介挿することによシ、制御棒
駆動機構内のオリフィスの目詰υ、シール部品の損傷等
を防止することができ、原子炉O健全性を維持して原子
炉の稼動率向上を図ることができる。As detailed above, according to the control rod drive water supply device of the present invention, the control rod drive mechanism can be controlled by inserting a filter into the cooling piping system that constantly supplies cooling water into the control rod drive mechanism. It is possible to prevent clogging υ of the orifice in the rod drive mechanism, damage to seal parts, etc., and it is possible to maintain the reactor O health and improve the operating rate of the reactor.
図面は本発明の一実施例における制御棒駆動水供給装置
の系統図である。
1・・・k水源、2−#ンf、J・・・マスターコント
ロールユニツ)%4””制御棒駆動機構、5゜6.7.
8・・・ヘラ〆一、9・−スクラム配管系、10・・・
駆動配管系、11−冷却用配管系、12・−戻し配管系
、IT、20.29.11・・・電磁切換弁、18・−
挿入側給水ノズル、21・・・引抜側給水ノズル、jJ
−・フィルタ。The drawing is a system diagram of a control rod-driven water supply device in one embodiment of the present invention. 1...k water source, 2-#f, J...master control unit)%4"" control rod drive mechanism, 5°6.7.
8... Spatula finish, 9... Scram piping system, 10...
Drive piping system, 11-Cooling piping system, 12-Return piping system, IT, 20.29.11...Solenoid switching valve, 18--
Insertion side water supply nozzle, 21... Retraction side water supply nozzle, jJ
-・Filter.
Claims (2)
調整するiスターコントは一ルユニ、トド、このマスタ
ーコントロールユニットに接続し複る駆動配管系と、前
記iスターコントロールユニ、トよシ送出されアキ、ム
レータに貯えられた高圧水を非常時に前記駆動用配管の
一部を通して制御棒駆動機構0挿入側給水ノズルへ供給
するスクラム配管系と、前記マスターコントロールユニ
ットに接続し制御棒駆動機構の挿入側または引抜側給水
ノズルよル排出され丸木を前記駆動用配管の一部および
複数の切換弁を通しテ前記マスター=ントロール二二、
トヘ戻ス戻し配管系と、前記マスターコントロールユニ
ットに接続し前記駆動配管系の一部を通して制御棒駆動
機構内へ鋺冷却用の水を常時供給する冷却用配管系と、
こO冷却用配管系中に介挿されたフィルタとを具備し九
ことを特徴とする制御棒駆動水供給装置。(1) The i-star control unit, which adjusts the pressure of water sent out from the water supply source in multiple ways, has multiple drive piping systems connected to this master control unit, and the i-star control unit and controller. A scram piping system that supplies high-pressure water that is sent out and stored in the mulator to the water supply nozzle on the insertion side of the control rod drive mechanism 0 through a part of the drive piping in an emergency, and a scram piping system that connects to the master control unit and connects the control rods. The logs discharged from the water supply nozzle on the insertion side or extraction side of the drive mechanism are passed through a part of the drive piping and a plurality of switching valves.
a cooling piping system that is connected to the master control unit and constantly supplies water for cooling the rods into the control rod drive mechanism through a part of the drive piping system;
9. A control rod drive water supply device comprising: a filter inserted into an O cooling piping system.
るへ、〆一を介して前記マスターコントロールユニット
に接続され、前記冷却用配管系が接続するヘッダーK、
上記複数の制御棒駆動機構に共用されるフィルタを介挿
したことを特徴とする特許請求の範囲第(1)項記載の
制御棒駆動水供給装置。(2) a header K to which each piping system is connected to the master control unit via a terminal and to which the cooling piping system is connected, so that each piping system is shared by a plurality of control rod drive mechanisms;
The control rod drive water supply device according to claim (1), characterized in that a filter shared by the plurality of control rod drive mechanisms is inserted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56139346A JPS5841387A (en) | 1981-09-04 | 1981-09-04 | Device for feeding control rod driving water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56139346A JPS5841387A (en) | 1981-09-04 | 1981-09-04 | Device for feeding control rod driving water |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5841387A true JPS5841387A (en) | 1983-03-10 |
JPS645663B2 JPS645663B2 (en) | 1989-01-31 |
Family
ID=15243183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56139346A Granted JPS5841387A (en) | 1981-09-04 | 1981-09-04 | Device for feeding control rod driving water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5841387A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011064548A (en) * | 2009-09-16 | 2011-03-31 | Toshiba Corp | Driving control system of control rod driving mechanism |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54112486A (en) * | 1978-02-22 | 1979-09-03 | Toshiba Corp | Control rod driving hydrauric device |
-
1981
- 1981-09-04 JP JP56139346A patent/JPS5841387A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54112486A (en) * | 1978-02-22 | 1979-09-03 | Toshiba Corp | Control rod driving hydrauric device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011064548A (en) * | 2009-09-16 | 2011-03-31 | Toshiba Corp | Driving control system of control rod driving mechanism |
Also Published As
Publication number | Publication date |
---|---|
JPS645663B2 (en) | 1989-01-31 |
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